What is the type of this builtin JS value?
Which kind of boxed JS primitive is this?
[](https://www.npmjs.com/package/ts-repo-utils)
Assertion module for Japa
Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
Low level internal utilities to be shared amongst Eleventy projects
Is this specifier a node.js core module?
`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.
utilities for working with typescript's AST
`Object.defineProperty`, but not IE 8's broken one.
Robustly get the length of a Typed Array
A helper to optimistically set Symbol.toStringTag, when possible.
Is this value a JS DataView? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
ES Object-related atoms: Object, ToObject, RequireObjectCoercible
Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
Common utility functions for media processing
Give a regex, get a robust predicate function that tests it against a string.
Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
The URI implementation that is used by VS Code and its extensions
Robustly get the byte offset of a Typed Array
A simple list of possible Typed Array names.
Comprehensive TypeScript/JavaScript utility library with cross-environment support (Node.js, browser, web worker) providing helper functions, polyfills (ES5-ES2023), type checking utilities, and optimized implementations for better minification and code r
Get the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.
TypeScript definitions for http-assert